Alert archive / Florida / Tornado Warnings in 2003

Tornado Warning 7, NWS Melbourne, FL

June 27, 2003Okeechobee County, Florida

NWS Melbourne, FL issued this tornado warning at Jun 27, 2003, 4:31 PM EDT for Okeechobee County, Florida. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 27, 2003, 4:31 PM EDT (20:31 UTC)
Expired
Jun 27, 2003, 5:00 PM EDT
In force
29 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

County Okeechobee County, FL

The radar

The Melbourne radar (KMLB), 79 km from the middle of the area, began a volume at 20:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 8.5 hours before the alert went out and 121 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Cape Canaveral, FL at 12:00Z on 2003-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1854 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2003-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1854 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
628 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

318 
WFUS52 KMLB 272031
TORMLB
FLC093-272100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
428 PM EDT FRI JUN 27 2003

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN OKEECHOBEE COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 500 PM EDT

* AT 425 PM EDT...THE PUBLIC REPORTED A TORNADO OVER CENTRAL
  OKEECHOBEE COUNTY...OR ABOUT 5 MILES NORTH OF BASINGER...MOVING
  NORTHWEST AT 15 MPH.

* THE TORNADO IS EXPECTED TO BE...
OVER RURAL NORTHWESTERN OKEECHOBEE COUNTY AT 440 PM EDT

THERE HAS BEEN CONFIRMED REPORTS OF DAMAGE NORTH OF BASINGER WITH 
THIS TORNADO ALREADY.

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS 
TORNADO...TAKE COVER IMMEDIATELY

LAT...LON 2738 8101 2748 8091 2764 8109 2756 8119

$$

WIMMER

Nearby

Tornado Warnings in Florida, 2003Every tornado warning in 2003Tornadoes in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.